HiFi SPECS

A/B comparison · Speakers

KEF Q350 vs Polk Audio S10

Specs from both manufacturer datasheets Updated Jul 24, 2024 Scored with 20 + 10 Amazon reviews

KEF Q350 vs Polk Audio S10 in brief

  • Spec rows: KEF Q350 wins 1, Polk Audio S10 wins 0, 10 tied or not compared, of 11 rows.
  • Our scores: KEF Q350 9.3/10, Polk Audio S10 8.2/10.
  • KEF Q350 wins: sound quality (9.3 vs 8), bass response (9.3 vs 6.5), midrange clarity (8.9 vs 8), treble detail (9.5 vs 8.5), value for money (9.7 vs 9).
  • Polk Audio S10 wins: design (9.2 vs 9).
  • Who should buy which: Pick the KEF Q350 for sound quality, bass response, midrange clarity, treble detail and value for money. Pick the Polk Audio S10 if design matters most.
CH A KEF Q350

KEF Q350

Channel A · Bookshelf · 2017
VS
CH B Polk Audio S10

Polk Audio S10

Channel B · Bookshelf · 2016
KEF Q350 Polk Audio S10
20 Hz 100 1k 10k 20k
9.3/10KEF 8.2/10Polk Audio

Rows won, of 11 compared KEF 1 · Polk Audio 0 · tied or not compared 10

Datasheet · Side by side

Spec by spec

Built from both structured spec sheets. The delta chip sits on the winning side; rows with no defensible winner carry no chip.

Sound & drivers

2-way Configuration 2-way
1x 0.98" Tweeter + 1x 6.5" Mid-woofer Drivers 1x 1" Tweeter + 1x 4" Mid-woofer
63 Hz to 28 kHz ±3 dB · 42 Hz extended Frequency responseReference not published 67 Hz to 40 kHz 42 Hz to 40 kHz extended
110 dB +6 dB Checked against the maker's own sheet, Sep 2026 Source Max SPL 104 dB
Ported (Bass Reflex) Enclosure Ported (Bass Reflex)
Not published Port tuning 53 Hz

Power, electrical, physical

87 dB 2.83 V/1 m SensitivityMeasured differently 85 dB 1 W/1 m
8 Ω Impedance 8 Ω
120 W Checked against the maker's own sheet, Sep 2026 Source Amp range 20 to 100 W
306 mm · 16.8 lb Checked against the maker's own sheet, Sep 2026 Source Height · weight 213 mm · 6 lb Checked against the maker's own sheet, Sep 2026 Source
5 yr Warranty 5 yr

A higher sensitivity figure means the same loudness from less amplifier power. Values come from each manufacturer datasheet.

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From our reviews

How it scored, paired

6 aspects, two channels

KEF Q350 Polk Audio S10
Sound quality 9.3 8.0
Bass response 9.3 6.5
Midrange clarity 8.9 8.0
Treble detail 9.5 8.5
Design 9.0 9.2
Value for money 9.7 9.0

Each aspect is scored 0 to 10 in our reviews, against the rest of the class.

Availability

Where they stand on price

KEF Q350

The KEF Q350 isn't sold new any more. The closest current model is the KEF Q3 Meta.

Why this one: Direct successor in the Q Meta lineup, same 2 way bookshelf slot that replaced the Q350

Availability last checked Jul 24, 2024
Polk Audio S10

The Polk Audio S10 isn't sold new any more. The closest current model is the Polk Audio Signature Elite ES10.

Why this one: Same 4 inch woofer and 1 inch tweeter as the S10, from the line that replaced the Signature series

Availability last checked Jul 24, 2024

We do not show live prices; price tiers are our editorial categories. As an Amazon Associate, HiFi Specs earns from qualifying purchases. Our scores and comparisons are never influenced by affiliate partners.